“projecting belt course”的概念、定义、翻译、参考文献-科学参考

单词	projecting belt course
释义	projecting belt course 挑砌腰线
随便看	draught spring draught stop draught survey draught tube draught tube gate draughty dravite draw drawability draw a bill draw a charge draw a lottery draw and buffer gear draw arm drawback drawback for duties paid drawback lock drawback mo(u)ld drawback piston draw bail drawbar draw bar draw-bar draw-bar box draw-bar bubble

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